Electrical transformer



This application is also related to U.S. application Ser. No. 29/275,260, filed Dec. 19, 2006 (now Pat. No. D547,267).

FIG. 1 is a front elevation view of an electrical transformer showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a left side elevation view thereof; and,

FIG. 4 is a perspective view thereof. 

The ornamental design for an electrical transformer, as shown and described. 